Senior Java/.NET Developer — Securitized Products

Banco Santander SA; United States; Hybrid; USD 175,000 - 220,000; Full time

Job summary

Banco Santander SA in the United States seeks a Senior Application Developer to lead and contribute to the design, development, and support of Fixed Income and Securitized Products applications using Java and .NET technologies. The role emphasizes high performance, data integrity, and collaboration with business stakeholders.

As a senior engineer, you will mentor junior developers, optimize backend services, and help modernize systems through API development, SQL Server, and cloud-ready

Qualifications

• 9+ years Information Technology or equivalent experience.
• 7+ years hands-on experience with C#/.NET and Java in enterprise apps.

Responsibilities

• Develop and maintain Java/.NET applications and RESTful APIs.
• Support and modernize Fixed Income and Securitized Products platforms.
• Troubleshoot, optimize performance, and ensure data integrity.
• Collaborate with traders, operations, and architecture to deliver reliable solutions.

Skills

C#/.NET

Java

ASP.NET

API development

SQL Server

Education

Bachelor’s Degree in related field

Tools

ASP.NET MVC

Job description

Banco Santander SA in the United States seeks a Senior Application Developer to lead and contribute to the design, development, and support of Fixed Income and Securitized Products applications using Java and .NET technologies. The role emphasizes high performance, data integrity, and collaboration with business stakeholders.

As a senior engineer, you will mentor junior developers, optimize backend services, and help modernize systems through API development, SQL Server, and cloud-ready